package servlets.site;

import beans.AgeRatingFacade;
import beans.CategoryFacade;
import beans.DVDFacade;
import beans.VideoGameFacade;
import helpers.ServletHelper;
import java.io.IOException;
import javax.ejb.EJB;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet(name = "SiteServlet", urlPatterns = {"/SiteServlet"})
public class SiteServlet extends HttpServlet {

    ///////////////////////// GESTIONNAIRES ///////////////////////////////////
    @EJB
    private DVDFacade dvdFacade;
    @EJB
    private CategoryFacade categorieFacade;
    @EJB
    private AgeRatingFacade ageRatingFacade;
   /////////////////////////////////////////////////////////////////////

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String page = request.getParameter("page");
        String path = "home.jsp";

        // redirection vers les servlets en fonction de la page (param page)
        if (page != null) {
            if (page.equals("categories")) {
                path = "CategoryServlet";
            } else if (page.equals("account")) {
                path = "UserServlet";
            } else if (page.equals("product")) {
                path = "VideoGameServlet";
            } else if (page.equals("search")) {
                path = "SearchServlet";
            } else if (page.equals("ratings")) {
                path = "AgeRatingServlet";
            } else if (page.equals("checkout")) {
                path = "CheckoutServlet";
            }
        }

        if (path.equals("home.jsp")) {
            request.setAttribute("dvds", dvdFacade.getLast(ServletHelper.DVDS_PAR_ACCUEIL));
        }

        request.setAttribute("dd_categories", categorieFacade.getAll());
        request.setAttribute("dd_ratings", ageRatingFacade.getAll());
        RequestDispatcher dispatcher = request.getRequestDispatcher(path);
        dispatcher.forward(request, response);
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}